Summary
This paper examines persistent-current magnetization effects in high-field superconducting dipole magnets required for next-generation particle accelerators operating above 10 T. The authors present an analytical framework to predict field errors arising from persistent currents in Nb₃Sn superconducting filaments, validate their model against experimental measurements from an 11-T prototype dipole developed for the Hi-Luminosity upgrade, and use the validated model to project persistent-current effects for different coil configurations and strand characteristics in a planned 16-T dipole magnet.
UK applicability
This research is relevant to UK participation in international high-energy physics infrastructure projects, though the findings apply principally to particle accelerator engineering and materials science rather than agricultural or food systems policy.
Key measures
Magnetic field errors; persistent-current effects; filament magnetization characteristics in Nb₃Sn superconducting strands at various coil layouts and strand geometries
Outcomes reported
The study analysed expected field errors due to persistent currents in a 16-T dipole magnet for next-generation particle accelerators, comparing theoretical predictions with experimental results from an 11-T Nb₃Sn dipole prototype.
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